Why is 10 x 10 is 1 less than 9 x 11

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Venkat Ramana asked Jun 3, 2023

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Why is 10 x 10 is 1 less than 9 x 11

Mathematics
college

Venkat Ramana asked Jun 3, 2023

by Venkat Ramana

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Answer: It's the other way around and it is because 10 x 10 is adding 10+10+10+10+10+10+10+10+10+10, while 11x9 is just 9 11s added together.

Dan Rigby answered Jun 6, 2023

by Dan Rigby

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10 x 10 is 100 and 9 x 11 is 99

JoLoCo answered Jun 10, 2023

by JoLoCo

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